三年級(jí)數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦

三年級(jí)數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦546-125=179-(282-208)=188×5=421-24×9=292-264+394=961-89×5=747×(314-310)=701+779+115=691+136+122=992-700+447=302×(773-767)=1/7+5/7=421+(367-222)=120×3-121=256+84-248=302-(394-124)=834-(750+64)=182-(480-341)=82×(624-618)=923+949+484=377×3-456=278+124+579=402-373=404-85+34=443-237+256=328-(426-339)=375-51-254=478×2+28=105×(329-321)=58-30=40+290-71=274×2+101=403+(323-269)=438-(438-310)=866-53×3=79×(400-394)=418-22-373=597+(399-287)=538-71=373+111-319=808×3-260=439×9-233=435-53×3=756-249=498-306+312=43+194×4=316-27×7=613-415-103=145-(185-83)=22×(347-338)=937-440+633=904+808-817=864-405+557=198+121=396+525+108=495-(297-49)=567-217+779=179+419+791=376+34-133=281+(379-166)=787×8-730=879+422=672×9=688-80×6=600+44+294=885×(53-46)=141+191+409=101-92+141=765+796-403=796×5-366=567-(338-274)=7/9-1/9=282+(103-67)=393-358+149=212+225-78=110+296=479-15×3=495×2=680-109×6=824-(800-435)=342+543-370=107×6=743×2=849-(66+554)=58+424+986=45×8=312-(483-191)=403-225=44×(16-10)=467-294+682=315+161-339=97+94=50×3=693-514+437=388-386+169=462-(69+317)=297+69=446×2-770=427-(656-232)=282-152+112=273-110-162=698×2=985-467+232=143+(254-77)=226×(303-299)=245-89-102=45+132+431=48+(799-715)=341+75=986-421-413=123×2=336-25+10=247-(290-86)=390+250=717-(477-55)=26×5+435=323+177-463=184×3-345=40×(53-45)=450-347=383-194-119=435-314+221=745+311×3=434-259+595=194+202-10=506-(807-342)=2/5-1/5=35+650+286=315-(41+44)=283-45-174=252+35×9=63×3=643-(544+13)=245+(120-68)=454-76=402-(294-247)=440-379=877-188-533=602+989+572=38×(456-447)=240×3=427-(96+95)=36+63=131+783=422-(177+58)=280-(173+74)=900-118-60=208-155+96=170×2=475-305+686=149+185-239=296-259+209=986-301-204=728+(793-251)=406-116-21=314-67-26=87×2+292=514×8-282=242+394+125=81+431+233=580×2=636-(160+323)=91×4-179=69+75+128=500-(388-324)=820×7-17=183-53=634×5-216=484-158-197=996-845+47=371+919+34=40×(265-256)=697-(86+55)=850-225+636=53-(346-305)=180+140+19=421×9-433=520-54×5=601+918-954=194+477=439-152-64=113-26+315=162×5-587=257+93+506=896+(798-489)=164×6-943=666-(803-377)=203-20×2=376-59×3=406-(223+67)=58×3+29=1/8+2/8=480-(120+310)=464-11×2=579+804=311-(481-477)=87-56=820-463-326=50-30+57=21+167-18=768+(863-102)=185+246-153=44+237=170-129=206×4+903=4/8-1/8=110×(459-452)=458-51-403=379×6=775-271×2=682×(231-226)=280×3=2/9+5/9=321-(14+55)=853-218-443=403-245=273-110-75=710-(76+550)=484×2-143=114+36=498+138=187×2+358=484+21×9=424-(51+335)=522+263+94=93×9-528=188-25×4=54+405-269=257+214+180=687-43-438=16+318-171=164-18-12=378-(228+99)=485-15-252=419+275×2=312-(334-43)=6/8-1/8=677-(110+148)=1/6+3/6=152×(242-236)=34+526+185=936-149=409-(108+153)=542+994+26=91+289+61=30+71=13×8+857=94×3+367=440-79-25=115×8-377=305×5=970+539-498=290+104-209=38×9+222=676+323=621×3=462+(55-48)=581×(198-190)=346+183=731×6=477-(522-152)=387-19-123=188-41=150-39×3=73+404=537+869+440=711×3=380×2=848+10×4=909×8=264-(142+61)=635×(83-79)=539+145=244+(273-117)=308+37-16=174×(491-487)=571×2=164-(78-63)=109×8-443=1/4+2/4=4/5-1/5=597+369=83+396+31=450-15-97=157-(130-28)=553×4-988=3/9-1/9=935-(710+29)=866-248×3=405+476+62=499-(77+24)=140×5+508=777-76×4=873-694+954=337-55×5=331-252+401=939+23-419=95×5=3/4-1/4=199-116+308=230-23-141=424-(161-155)=124×5-156=436-143=424-42×6=292+(141-24)=148-32=714-458=499+202=660-24×4=130×4+980=482-272-147=407-(191+24)=491-62-177=104+(419-32)=277+376+284=293-(152+115)=393-(84+282)=103+327=63×5=263+(711-459)=562+642+378=90+167+362=985+(919-183)=382×6-480=387-326=835-(918-620)=138×(216-213)=315×(180-177)=244+170-369=812-372-159=86×8-354=94+193+553=380-115-176=382×4=171-(30-11)=368-259=60×7+477=73×(314-311)=31×(202-195)=70+(248-27)=429-(184+15)=723-64-45=393-170+139=19+460×2=32+566+90=269-60×2=450-114-267=711-(966-320)=500-30=156+564=130-(928-814)=206-81×2=668-(926-767)=978-(663+10)=38+49=339-(59+86)=931-(592+76)=727-675+186=235+187-75=29×8=18×5=13×3+202=927+(150-37)=185×9=293×(291-283)=124-59×2=838-128-696=486+950-354=256×(334-331)=128×(543-538)=598-82=303-274=766-(178+29)=302+230=846-37-66=458-370+312=83×(353-347)=109×(86-81)=682+47×9=791-(91+453)=143×(226-221)=437+515-163=266×5-209=528+125×4=165+(294-54)=798+501+742=953-213-667=373-19×4=49×(23-19)=247+(499-302)=111×3-61=234-56+35=739-333=170+(456-156)=715-(520+181)=684×4-925=609-(658-330)=209-48×4=490-71×6=664-(861-745)=3/5-1/5=39+521+119=74+(370-61)=472+(859-63)=495-72×5=260+789=511×8=153×5-252=905-(361-98)=92×4+314=381-(285-146)=997-(940-185)=325×2-586=252+(29-20)=48×(846-837)=407-171×2=675-655+668=340-85+131=154×3+301=916+818+64=307+121=40×8-228=171+301-64=787-162×3=348+(320-251)=313+96×6=415+113=242-202=880-437=590+60-314=4/6-1/6=64×8=820×4-340=126-65+293=547×8=667+194+835=90-20+161=593-(25+486)=549-137-94=106+417-77=882-(65+514)=487-(488-150)=262+288×2=329×3=66×(142-136)=299-37×8=909-613=714-320+495=149+351+185=425-134-136=5/8+2/8=2/7+4/7=217+22+505=668-150-425=145-(395-319)=473+790-206=356-(378-62)=779×(350-346)=437-416=481-(493-144)=857-294=763-10×5=28×3=580+350+478=469+228×2=698-146+589=293×2-65=814-57+916=110×6-278=226-102-49=330-63-237=816×(52-45)=875×4-967=775-380+244=162×5+272=638-433+318=819-668+619=361+(671-393)=458-(167+60)=342×(116-111)=143×5-486=424×8=869-188+852=402×(198-195)=2/5+3/5=684+667+57=311+65×5=424-102=490-215+190=990-(435+44)=641+212+113=367×2+199=124×(115-112)=991-(868-426)=94+621-382=21×5=371+(704-389)=465+656-341=303-(166-163)=384-(21+54)=307-(33+267)=889-(992-979)=163+324=427-398=607-246-172=761×6=184×5-405=830+520+992=882-(836-336)=876-385=111×9-25=68+231=478-39×8=85+368+54=653-(487-33)=436-(363-148)=575+586+71=217×4-800=678-264-65=303×3=290-102=379+(906-168)=282+13+219=981-357+480=367-(23+108)=77+253=366+(281-168)=607+723-564=33×4+287=23×5+622=717+205-306=36+319-285=961+356=417×8=233-18×3=117×(60-56)=441+226×2=937+(814-631)=205×(322-318)=689×(840-834)=580×4=417+881=36×7=802-26×4=143+118+524=287+689=70+27×7=190×(431-428)=3/7+2/7=1/7+4/7=408+569-98=114+139=663-370=167+76×2=157×4=294+(491-102)=59×(182-176)=257+106×4=153+215-109=45×(807-798)=758+924-544=552-55×5=390-64+158=486-211-251=494+713=161+62=125+(300-106)=290-(48+75)=119+330=217-(370-183)=117×8-319=107×3+423=953-56×8=354-319=78×(232-226)=216×(40-37)=842+818=311+(414-79)=268-(63+117)=87+262=88+103+655=317-(161-49)=150+(671-314)=495-35×7=220-(188-78)=574-86=895-50×8=2/8-1/8=46×4=358-269=320-55=416-192-72=172+745-301=409-38-355=327+18-82=926-764+84=442+(484-86)=226+82=311-268+121=143×(494-488)=401-68=499-103=984-374+107=175+177-260=136×6=957-680+500=358+96×4=111×7-92=432-357+13=418+(696-590)=347-302=352-326=640+407+361=466-(364+71)=82×8=736+225=195×9-478=32+(435-257)=693-(778-685)=555-483-33=399-157+164=616+528-804=48×(47-38)=256+306=922-422-11=102×2=880+744+989=81×7=408-148=382-33-220=670×7-988=325-66×4=194+51×2=341×2-88=67+330=933+97-283=375+(274-227)=204×2+192=62+51=300×2-295=992-(203+747)=421-417+253=428×(623-618)=367+103×2=3/6-1/6=580-254×2=291-(231-53)=966×5=113×(439-435)=488×2-928=675+305+198=28+279+554=374+47-13=381-(469-329)=596×8=16×3+186=731-678=954-398-17=236+(64-57)=449-(386-197)=83+857-372=165×4-358=718+90×3=414+973-472=72+(414-377)=473-(384+16)=716×9-181=73+520+32=291×5-253=12+(218-120)=5/10-3/10=398-(121+208)=673-18×9=521-(679-264)=249+127×3=711×2-530=302-181=353+(348-169)=484-69×3=507+254-292=172+35-106=14×9=113+213+175=849-72+174=468-92=926+636-661=648-530=546×(411-404)=670-399-253=27×9=466+(957-491)=975-(753-700)=233×6-648=676+982-572=206+679+108=482-153+155=76+151=10×8+366=368-(94+155)=443-59-241=34+214-173=184+65-39=346-(111+113)=966-(156+430)=800-83-397=523-(323+156)=720-210-243=657+(938-76)=790+195=293+298×2=297+(430-284)=159-11+60=420+(151-69)=37×5=478-111-346=334-(159+26)=484-211×2=174-25-49=787-111×2=414-(117+54)=352-(87+62)=976×3=385+242×4=561-17×7=446-(24+61)=856-468=881+592-830=600-135-290=621×2=59+74=800-347+603=430+(291-148)=287-(433-421)=393×2-382=486×(699-691)=16×6+267=609×(717-714)=742×(892-887)=605-(872-357)=890+388+486=272-191=808-59×4=351×2-481=232-154+378=195×3=638-62×7=663-(379+151)=791+(76-20)=568-(838-447)=2/10+4/10=586+181-25=210×2-233=217+(973-542)=733-608=76×6=272+(807-218)=289+103-384=263+115=474+155+770=846-136×3=326×3=228-29×3=99+120=92×5+351=132+31×9=37×4=237+210+357=399-49×6=16×4=171+33×9=477-32×5=374×2-727=184-169+388=482+(233-11)=72+331+223=842-(912-600)=525-83×4=454-223×2=743+560=80+(845-518)=495-240=534×(53-46)=452-91-291=495-(318-221)=108+93=962-(273+488)=131-14×8=871×(818-813)=226+145-94=28+673-506=374-150×2=916-753=200×5-476=916×(882-875)=875+58×7=756×(600-596)=274+147=49+114=299+(876-284)=307+(360-299)=130×(769-766)=82+66×4=147×(119-114)=468-28×9=955-451=233×4+770=130+275=302-(88+73)=417+(350-210)=915-(282+510)=470-58×6=485+237+134=305×2-554=340+38-372=272-47×3=214+237=117+430×2=325×2-313=35×5=752×(564-556)=786-(44+372)=493-397-75=220-66=22×7+179=351+210×3=340-56×3=61+(189-60)=562+157+210=285-(432-283)=219-159=63+605+123=847×8-368=473-146+50=769-(369+225)=474+(389-64)=420+62-155=367-320=380×2+358=533-371=275-(98+101)=490-139-164=20+15=3/6+2/6=430-272-53=420×2-32=591×3-291=27×6+35=540+(558-58)=397-264=386-(195+120)=846×7-769=270-53×3=473+(172-46)=418-107=96×6=113+157=217+252-459=154+707=533+180=44×(304-301)=449-135=422-(449-258)=313+133-404=參考答案546-125=421179-(282-208)=105188×5=940421-24×9=205292-264+394=422961-89×5=516747×(314-310)=2988701+779+115=1595691+136+122=949992-700+447=739302×(773-767)=18121/7+5/7=6/7421+(367-222)=566120×3-121=239256+84-248=92302-(394-124)=32834-(750+64)=20182-(480-341)=4382×(624-618)=492923+949+484=2356377×3-456=675278+124+579=981402-373=29404-85+34=353443-237+256=462328-(426-339)=241375-51-254=70478×2+28=984105×(329-321)=84058-30=2840+290-71=259274×2+101=649403+(323-269)=457438-(438-310)=310866-53×3=70779×(400-394)=474418-22-373=23597+(399-287)=709538-71=467373+111-319=165808×3-260=2164439×9-233=3718435-53×3=276756-249=507498-306+312=50443+194×4=819316-27×7=127613-415-103=95145-(185-83)=4322×(347-338)=198937-440+633=1130904+808-817=895864-405+557=1016198+121=319396+525+108=1029495-(297-49)=247567-217+779=1129179+419+791=1389376+34-133=277281+(379-166)=494787×8-730=5566879+422=1301672×9=6048688-80×6=208600+44+294=938885×(53-46)=6195141+191+409=741101-92+141=150765+796-403=1158796×5-366=3614567-(338-274)=5037/9-1/9=6/9282+(103-67)=318393-358+149=184212+225-78=359110+296=406479-15×3=434495×2=990680-109×6=26824-(800-435)=459342+543-370=515107×6=642743×2=1486849-(66+554)=22958+424+986=146845×8=360312-(483-191)=20403-225=17844×(16-10)=264467-294+682=855315+161-339=13797+94=19150×3=150693-514+437=616388-386+169=171462-(69+317)=76297+69=366446×2-770=122427-(656-232)=3282-152+112=242273-110-162=1698×2=1396985-467+232=750143+(254-77)=320226×(303-299)=904245-89-102=5445+132+431=60848+(799-715)=132341+75=416986-421-413=152123×2=246336-25+10=321247-(290-86)=43390+250=640717-(477-55)=29526×5+435=565323+177-463=37184×3-345=20740×(53-45)=320450-347=103383-194-119=70435-314+221=342745+311×3=1678434-259+595=770194+202-10=386506-(807-342)=412/5-1/5=1/535+650+286=971315-(41+44)=230283-45-174=64252+35×9=56763×3=189643-(544+13)=86245+(120-68)=297454-76=378402-(294-247)=355440-379=61877-188-533=156602+989+572=216338×(456-447)=342240×3=720427-(96+95)=23636+63=99131+783=914422-(177+58)=187280-(173+74)=33900-118-60=722208-155+96=149170×2=340475-305+686=856149+185-239=95296-259+209=246986-301-204=481728+(793-251)=1270406-116-21=269314-67-26=22187×2+292=466514×8-282=3830242+394+125=76181+431+233=745580×2=1160636-(160+323)=15391×4-179=18569+75+128=272500-(388-324)=436820×7-17=5723183-53=130634×5-216=2954484-158-197=129996-845+47=198371+919+34=132440×(265-256)=360697-(86+55)=556850-225+636=126153-(346-305)=12180+140+19=339421×9-433=3356520-54×5=250601+918-954=565194+477=671439-152-64=223113-26+315=402162×5-587=223257+93+506=856896+(798-489)=1205164×6-943=41666-(803-377)=240203-20×2=163376-59×3=199406-(223+67)=11658×3+29=2031/8+2/8=3/8480-(120+310)=50464-11×2=442579+804=1383311-(481-477)=30787-56=31820-463-326=3150-30+57=7721+167-18=170768+(863-102)=1529185+246-153=27844+237=281170-129=41206×4+903=17274/8-1/8=3/8110×(459-452)=770458-51-403=4379×6=2274775-271×2=233682×(231-226)=3410280×3=8402/9+5/9=7/9321-(14+55)=252853-218-443=192403-245=158273-110-75=88710-(76+550)=84484×2-143=825114+36=150498+138=636187×2+358=732484+21×9=673424-(51+335)=38522+263+94=87993×9-528=309188-25×4=8854+405-269=190257+214+180=651687-43-438=20616+318-171=163164-18-12=134378-(228+99)=51485-15-252=218419+275×2=969312-(334-43)=216/8-1/8=5/8677-(110+148)=4191/6+3/6=4/6152×(242-236)=91234+526+185=745936-149=787409-(108+153)=148542+994+26=156291+289+61=44130+71=10113×8+857=96194×3+367=649440-79-25=336115×8-377=543305×5=1525970+539-498=1011290+104-209=18538×9+222=564676+323=999621×3=1863462+(55-48)=469581×(198-190)=4648346+183=529731×6=4386477-(522-152)=107387-19-123=245188-41=147150-39×3=3373+404=477537+869+440=1846711×3=2133380×2=760848+10×4=888909×8=7272264-(142+61)=61635×(83-79)=2540539+145=684244+(273-117)=400308+37-16=329174×(491-487)=696571×2=1142164-(78-63)=149109×8-443=4291/4+2/4=3/44/5-1/5=3/5597+369=96683+396+31=510450-15-97=338157-(130-28)=55553×4-988=12243/9-1/9=2/9935-(710+29)=196866-248×3=122405+476+62=943499-(77+24)=398140×5+508=1208777-76×4=473873-694+954=1133337-55×5=62331-252+401=480939+23-419=54395×5=4753/4-1/4=2/4199-116+308=391230-23-141=66424-(161-155)=418124×5-156=464436-143=293424-42×6=172292+(141-24)=409148-32=116714-458=256499+202=701660-24×4=564130×4+980=1500482-272-147=63407-(191+24)=192491-62-177=252104+(419-32)=491277+376+284=937293-(152+115)=26393-(84+282)=27103+327=43063×5=315263+(711-459)=515562+642+378=158290+167+362=619985+(919-183)=1721382×6-480=1812387-326=61835-(918-620)=537138×(216-213)=414315×(180-177)=945244+170-369=45812-372-159=28186×8-354=33494+193+553=840380-115-176=89382×4=1528171-(30-11)=152368-259=10960×7+477=89773×(314-311)=21931×(202-195)=21770+(248-27)=291429-(184+15)=230723-64-45=614393-170+139=36219+460×2=93932+566+90=688269-60×2=149450-114-267=69711-(966-320)=65500-30=470156+564=720130-(928-814)=16206-81×2=44668-(926-767)=509978-(663+10)=30538+49=87339-(59+86)=194931-(592+76)=263727-675+186=238235+187-75=34729×8=23218×5=9013×3+202=241927+(150-37)=1040185×9=1665293×(291-283)=2344124-59×2=6838-128-696=14486+950-354=1082256×(334-331)=768128×(543-538)=640598-82=516303-274=29766-(178+29)=559302+230=532846-37-66=743458-370+312=40083×(353-347)=498109×(86-81)=545682+47×9=1105791-(91+453)=247143×(226-221)=715437+515-163=789266×5-209=1121528+125×4=1028165+(294-54)=405798+501+742=2041953-213-667=73373-19×4=29749×(23-19)=196247+(499-302)=444111×3-61=272234-56+35=213739-333=406170+(456-156)=470715-(520+181)=14684×4-925=1811609-(658-330)=281209-48×4=17490-71×6=64664-(861-745)=5483/5-1/5=2/539+521+119=67974+(370-61)=383472+(859-63)=1268495-72×5=135260+789=1049511×8=4088153×5-252=513905-(361-98)=64292×4+314=682381-(285-146)=242997-(940-185)=242325×2-586=64252+(29-20)=26148×(846-837)=432407-171×2=65675-655+668=688340-85+131=386154×3+301=763916+818+64=1798307+121=42840×8-228=92171+301-64=408787-162×3=301348+(320-251)=417313+96×6=889415+113=528242-202=40880-437=443590+60-314=3364/6-1/6=3/664×8=512820×4-340=2940126-65+293=354547×8=4376667+194+835=169690-20+161=231593-(25+486)=82549-137-94=318106+417-77=446882-(65+514)=303487-(488-150)=149262+288×2=838329×3=98766×(142-136)=396299-37×8=3909-613=296714-320+495=889149+351+185=685425-134-136=1555/8+2/8=7/82/7+4/7=6/7217+22+505=744668-150-425=93145-(395-319)=69473+790-206=1057356-(378-62)=40779×(350-346)=3116437-416=21481-(493-144)=132857-294=563763-10×5=71328×3=84580+350+478=1408469+228×2=925698-146+589=1141293×2-65=521814-57+916=1673110×6-278=382226-102-49=75330-63-237=30816×(52-45)=5712875×4-967=2533775-380+244=639162×5+272=1082638-433+318=523819-668+619=770361+(671-393)=639458-(167+60)=231342×(116-111)=1710143×5-486=229424×8=3392869-188+852=1533402×(198-195)=12062/5+3/5=1684+667+57=1408311+65×5=636424-102=322490-215+190=465990-(435+44)=511641+212+113=966367×2+199=933124×(115-112)=372991-(868-426)=54994+621-382=33321×5=105371+(704-389)=686465+656-341=780303-(166-163)=300384-(21+54)=309307-(33+267)=7889-(992-979)=876163+324=487427-398=29607-246-172=189761×6=4566184×5-405=515830+520+992=2342882-(836-336)=382876-385=491111×9-25=97468+231=299478-39×8=16685+368+54=507653-(487-33)=199436-(363-148)=221575+586+71=1232217×4-800=68678-264-65=349303×3=909290-102=188379+(906-168)=1117282+13+219=514981-357+480=1104367-(23+108)=23677+253=330366+(281-168)=479607+723-564=76633×4+287=41923×5+622=737717+205-306=61636+319-285=70961+356=1317417×8=3336233-18×3=179117×(60-56)=468441+226×2=893937+(814-631)=1120205×(322-318)=820689×(840-834)=4134580×4=2320417+881=129836×7=252802-26×4=698143+118+524=785287+689=97670+27×7=259190×(431-428)=5703/7+2/7=5/71/7+4/7=5/7408+569-98=879114+139=253663-370=293167+76×2=319157×4=628294+(491-102)=68359×(182-176)=354257+106×4=681153+215-109=25945×(807-798)=405758+924-544=1138552-55×5=277390-64+158=484486-211-251=24494+713=1207161+62=223125+(300-106)=319290-(48+75)=167119+330=449217-(370-183)=30117×8-319=617107×3+423=744953-56×8=505354-319=3578×(232-226)=468216×(40-37)=648842+818=1660311+(414-79)=646268-(63+117)=8887+262=34988+103+655=846317-(161-49)=205150+(671-314)=507495-35×7=250220-(188-78)=110574-86=488895-50×8=4952/8-1/8=1/846×4=184358-269=89320-55=265416-192-72=152172+745-301=616409-38-355=16327+18-82=263926-764+84=246442+(484-86)=840226+82=308311-268+121=164143×(494-488)=858401-68=333499-103=396984-374+107=717175+177-260=92136×6=816957-680+500=777358+96×4=742111×7-92=685432-357+13=88418+(696-590)=524347-302=45352-326=26640+407+361=1408466-(364+71)=3182×8=656736+225=961195×9-478=127732+(435-257)=210693-(778-685)=600555-483-33=39399-157+164=406616+528-804=34048×(47-38)=432256+306=562922-422-11=489102×2=204880+744+989=261381×7=567408-148=260382-33-220=129670×7-988=3702325-66×4=61194+51×2=296341×2-88=59467+330=397933+97-283=747375+(274-227)=422204×2+192=60062+51=113300×2-295=305992-(203+747)=42421-417+253=257428×(623-618)=2140367+103×2=5733/6-1/6=2/6580-254×2=72291-(231-53)=113966×5=4830113×(439-435)=452488×2-928=48675+305+198=117828+279+554=861374+47-13=408381-(469-329)=241596×8=476816×3+186=234731-678=53954-398-17=539236+(64-57)=243449-(386-197)=26083+857-372=568165×4-358=302718+90×3=988414+973-472=91572+(414-377)=109473-(384+16)=73716×9-181=626373+520+32=625291×5-253=120212+(218-120)=1105/10-3/10=2/10398-(121+208)=69673-18×9=511521-(679-264)=106249+127×3=630711×2-530=892302-181=121353+(348-169)=532484-69×3=277507+254-292=469172+35-106=10114×9=126113+213+175=501849-72+174=951468-92=376926+636-661=901648-530=118546×(411-404)=3822670-399-253=1827×9=243466+(957-491)=932975-(753-700)=922233×6-648=750676+982-572=1086206+679+108=993482-153+155=48476+151=22710×8+366=446368-(94+155)=119443-59-241=14334+214-173=75184+65-39=210346-(111+113)=122966-(156+430)=380800-83-397=320523-(323+156)=44720-210-243=267657+(938-76)=